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International Journal of Morphology

On-line version ISSN 0717-9502

Abstract

FREIRE, Alexandre Rodrigues et al. Biomechanics of the Human Canine Pillar Based on its Geometry Using Finite Element Analysis. Int. J. Morphol. [online]. 2014, vol.32, n.1, pp.214-220. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022014000100036.

This study evaluated the stress distribution based on the canine pillar geometry in human skull, using a finite element analysis. Computed tomography of human skull was used to build a finite element model, which was composed by all bony structures of canine pillar: canine eminence, canine fossa, frontal process of maxilla, glabellum and superciliary arch. A support on the bite contact of maxillary canine tooth and a resultant force of the masticatory muscles was applied in the simulation. Equivalent Von-mises and maximum principal stresses were analyzed along the structures that compose the canine pillar geometry. Von-mises stress presented high stress concentrated at the canine fossa and frontal process of maxilla. Maximum principal stress showed compression areas at the canine fossa and part of frontal process and tensile stress at canine eminence and part of the frontal process. In conclusion, the different stress areas means different force concentrations transmitted along the canine pillar geometry during a peak canine bite.

Keywords : Skull; Biomechanics; Finite element analysis.

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